/// <reference types="react" />
import { EffectKind } from '@shopify/react-effect';
export interface State {
    title?: string;
    metas: React.HTMLProps<HTMLMetaElement>[];
    links: React.HTMLProps<HTMLLinkElement>[];
    bodyAttributes: React.HTMLProps<HTMLBodyElement>;
    htmlAttributes: React.HtmlHTMLAttributes<HTMLHtmlElement>;
}
interface Subscription {
    (state: State): void;
}
export declare const EFFECT_ID: unique symbol;
export declare class HtmlManager {
    effect: EffectKind;
    private serializations;
    private titles;
    private metas;
    private links;
    private htmlAttributes;
    private bodyAttributes;
    private subscriptions;
    readonly state: State;
    reset({ includeSerializations }?: {
        includeSerializations?: boolean | undefined;
    }): void;
    subscribe(subscription: Subscription): () => void;
    addTitle(title: string): () => void;
    addMeta(meta: React.HTMLProps<HTMLMetaElement>): () => void;
    addLink(link: React.HTMLProps<HTMLLinkElement>): () => void;
    addHtmlAttributes(attributes: React.HtmlHTMLAttributes<HTMLHtmlElement>): () => void;
    addBodyAttributes(attributes: React.HTMLProps<HTMLBodyElement>): () => void;
    setSerialization(id: string, data: unknown): void;
    getSerialization<T>(id: string): T | undefined;
    extract(): {
        serializations: {
            id: string;
            data: unknown;
        }[];
        title?: string | undefined;
        metas: import("react").HTMLProps<HTMLMetaElement>[];
        links: import("react").HTMLProps<HTMLLinkElement>[];
        bodyAttributes: import("react").HTMLProps<HTMLBodyElement>;
        htmlAttributes: import("react").HtmlHTMLAttributes<HTMLHtmlElement>;
    };
    private addDescriptor;
    private updateSubscriptions;
}
export {};